YANKTON, SD 57078 Weather Forecast & Current Conditions

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YANKTON, SD
Current Weather

1:56 PM CDT AUG 8, 2026
Broken Clouds
81°F
Feels Like: 83°F
Dewpoint: 64°F
Rel. Hum.: 56%
Visibility: 10 miles
Wind: SE at 18 mph, gusts to 25
Pressure: 29.97 inches
Last 72 hours

Local Area Snow Depth

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YANKTON, SD 57078
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Mostly sunny. Highs in the mid 80s. Southeast winds 15 to 20 mph.
TONIGHT
Partly cloudy. Much warmer. Humid with lows in the upper 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph.
SUNDAY
Mostly sunny. Humid with highs in the upper 80s. South winds 5 to 10 mph, becoming northeast 10 to 15 mph in the afternoon. Heat index values in the upper 90s in the afternoon.
SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows in the upper 60s. East winds 10 to 15 mph.
MONDAY
Mostly cloudy in the morning, then becoming mostly sunny. Humid with highs in the upper 80s. East winds around 10 mph with gusts up to 20 mph.
MONDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the upper 60s. Chance of rain 30 percent.
TUESDAY
Partly sunny. Highs in the upper 80s.
TUESDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 30 percent.
WEDNESDAY
Mostly cloudy in the morning, then becoming mostly sunny. Highs in the lower 80s.
WEDNESDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 50 percent.
THURSDAY
Cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 70s. Chance of rain 50 percent.
THURSDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows around 60. Chance of rain 40 percent.
FRIDAY
Mostly cloudy in the morning, then becoming partly sunny. A chance of showers in the morning. Highs in the lower 70s. Chance of rain 40 percent.

Visible Weather Satellite
YANKTON, SD 57078
Infrared Weather Satellite
YANKTON, SD 57078
NEXRAD Weather Radar
YANKTON, SD 57078

YANKTON, SD 3 hourly weather forecast

weather forecast created  5:00 AM PDT  8/ 8/2026
Saturday
8 AUG 2026
YANKTON, SD 57078 weather forecast Day 1, 12 hours 1 PM 78° 80° Partly Cloudy 2%

0% Thunder
( 17% severe)
SE   14 58% 62°
High 84° YANKTON, SD 57078 weather forecast Day 1, 15 hours 4 PM 83° 86° Clear SSE   14 61% 68°
Partly Cloudy



YANKTON, SD 57078 weather forecast Day 1, 18 hours 7 PM 82° 87° Clear 6%

0% Thunder
( 33% severe)
SSE   14 74% 73°
YANKTON, SD 57078 weather forecast Day 1, 21 hours 10 PM 75° 75° Partly Cloudy SE   13 94% 73°
Sunday
9 AUG 2026
YANKTON, SD 57078 weather forecast Day 2, 0 hours 1 AM 72° 72° Partly Cloudy 7%

0% Thunder
( 21% severe)
SE   10 100% 72°
Low 67° YANKTON, SD 57078 weather forecast Day 2, 3 hours 4 AM 70° 70° Partly Cloudy ESE   8 100% 70°
High 89° YANKTON, SD 57078 weather forecast Day 2, 6 hours 7 AM 70° 70° Mostly Cloudy 1%

0% Thunder
( 8% severe)
SSE   7 100% 70°

Partly Cloudy



YANKTON, SD 57078 weather forecast Day 2, 9 hours 10 AM 77° 78° Partly Cloudy SW   8 85% 72°
YANKTON, SD 57078 weather forecast Day 2, 12 hours 1 PM 84° 90° Clear 1%

0% Thunder
( 11% severe)
N   10 70% 73°
YANKTON, SD 57078 weather forecast Day 2, 15 hours 4 PM 88° 96° Partly Cloudy NNE   10 61% 73°
YANKTON, SD 57078 weather forecast Day 2, 18 hours 7 PM 85° 93° Partly Cloudy 5%

0% Thunder
( 17% severe)
ENE   12 70% 74°
YANKTON, SD 57078 weather forecast Day 2, 21 hours 10 PM 77° 78° Mostly Cloudy ENE   12 94% 75°
Monday
10 AUG 2026
YANKTON, SD 57078 weather forecast Day 3, 0 hours 1 AM 73° 73° Partly Cloudy 5%

0% Thunder
( 31% severe)
E   9 100% 73°
Low 68° YANKTON, SD 57078 weather forecast Day 3, 3 hours 4 AM 71° 71° Mostly Cloudy ENE   8 100% 71°
High 88° YANKTON, SD 57078 weather forecast Day 3, 6 hours 7 AM 70° 70° NA 0%

0% Thunder
( 14% severe)
E   8 100% 70°

Partly Cloudy



YANKTON, SD 57078 weather forecast Day 3, 9 hours 10 AM 75° 75° Mostly Cloudy E   9 90% 72°
YANKTON, SD 57078 weather forecast Day 3, 15 hours 1 PM 82° 87° Partly Cloudy 0%

0% Thunder
( 16% severe)
E   9 74% 73°
YANKTON, SD 57078 weather forecast Day 3, 18 hours 4 PM 87° 93° Partly Cloudy E   8 61% 72°
YANKTON, SD 57078 weather forecast Day 3, 21 hours 7 PM 86° 93° Partly Cloudy     SE   9 65% 73°

YANKTON, SD extended weather forecast

Tuesday
11 AUG 2026
Wednesday
12 AUG 2026
Thursday
13 AUG 2026
Friday
14 AUG 2026
Saturday
15 AUG 2026
Low 64° Low 65° Low 63° Low 59° Low 57°
High 89° High 84° High 78° High 75° High 79°
YANKTON, SD 57078 weather forecast Day 4 YANKTON, SD 57078 weather forecast Day 5 YANKTON, SD 57078 weather forecast Day 6 YANKTON, SD 57078 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
22% Rain
Partly Cloudy
36% Rain
Partly Cloudy
54% Rain
Partly Cloudy
22% Rain
Partly Cloudy
27% Rain
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